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- /*
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.pgm;
-
- import java.text.MessageFormat;
- import java.util.ArrayList;
- import java.util.EnumSet;
- import java.util.List;
-
- import org.eclipse.jgit.diff.DiffConfig;
- import org.eclipse.jgit.errors.IncorrectObjectTypeException;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.Ref;
- import org.eclipse.jgit.pgm.internal.CLIText;
- import org.eclipse.jgit.pgm.opt.PathTreeFilterHandler;
- import org.eclipse.jgit.revwalk.FollowFilter;
- import org.eclipse.jgit.revwalk.ObjectWalk;
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.eclipse.jgit.revwalk.RevFlag;
- import org.eclipse.jgit.revwalk.RevObject;
- import org.eclipse.jgit.revwalk.RevSort;
- import org.eclipse.jgit.revwalk.RevWalk;
- import org.eclipse.jgit.revwalk.filter.AndRevFilter;
- import org.eclipse.jgit.revwalk.filter.AuthorRevFilter;
- import org.eclipse.jgit.revwalk.filter.CommitterRevFilter;
- import org.eclipse.jgit.revwalk.filter.MessageRevFilter;
- import org.eclipse.jgit.revwalk.filter.RevFilter;
- import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
- import org.eclipse.jgit.treewalk.filter.TreeFilter;
- import org.kohsuke.args4j.Argument;
- import org.kohsuke.args4j.Option;
-
- abstract class RevWalkTextBuiltin extends TextBuiltin {
- RevWalk walk;
-
- @Option(name = "--objects")
- boolean objects = false;
-
- @Option(name = "--parents")
- boolean parents = false;
-
- @Option(name = "--total-count")
- boolean count = false;
-
- @Option(name = "--all")
- boolean all = false;
-
- char[] outbuffer = new char[Constants.OBJECT_ID_LENGTH * 2];
-
- private final EnumSet<RevSort> sorting = EnumSet.noneOf(RevSort.class);
-
- private void enableRevSort(RevSort type, boolean on) {
- if (on)
- sorting.add(type);
- else
- sorting.remove(type);
- }
-
- @Option(name = "--date-order")
- void enableDateOrder(boolean on) {
- enableRevSort(RevSort.COMMIT_TIME_DESC, on);
- }
-
- @Option(name = "--topo-order")
- void enableTopoOrder(boolean on) {
- enableRevSort(RevSort.TOPO, on);
- }
-
- @Option(name = "--reverse")
- void enableReverse(boolean on) {
- enableRevSort(RevSort.REVERSE, on);
- }
-
- @Option(name = "--boundary")
- void enableBoundary(boolean on) {
- enableRevSort(RevSort.BOUNDARY, on);
- }
-
- @Option(name = "--follow", metaVar = "metaVar_path")
- private String followPath;
-
- @Argument(index = 0, metaVar = "metaVar_commitish")
- private List<RevCommit> commits = new ArrayList<>();
-
- @Option(name = "--", metaVar = "metaVar_path", handler = PathTreeFilterHandler.class)
- protected TreeFilter pathFilter = TreeFilter.ALL;
-
- private final List<RevFilter> revLimiter = new ArrayList<>();
-
- @Option(name = "--author")
- void addAuthorRevFilter(String who) {
- revLimiter.add(AuthorRevFilter.create(who));
- }
-
- @Option(name = "--committer")
- void addCommitterRevFilter(String who) {
- revLimiter.add(CommitterRevFilter.create(who));
- }
-
- @Option(name = "--grep")
- void addCMessageRevFilter(String msg) {
- revLimiter.add(MessageRevFilter.create(msg));
- }
-
- @Option(name = "--max-count", aliases = "-n", metaVar = "metaVar_n")
- private int maxCount = -1;
-
- /** {@inheritDoc} */
- @Override
- protected void run() throws Exception {
- walk = createWalk();
- for (RevSort s : sorting)
- walk.sort(s, true);
-
- if (pathFilter == TreeFilter.ALL) {
- if (followPath != null)
- walk.setTreeFilter(FollowFilter.create(followPath,
- db.getConfig().get(DiffConfig.KEY)));
- } else if (pathFilter != TreeFilter.ALL) {
- walk.setTreeFilter(AndTreeFilter.create(pathFilter,
- TreeFilter.ANY_DIFF));
- }
-
- if (revLimiter.size() == 1)
- walk.setRevFilter(revLimiter.get(0));
- else if (revLimiter.size() > 1)
- walk.setRevFilter(AndRevFilter.create(revLimiter));
-
- if (all) {
- for (Ref a : db.getRefDatabase().getRefs()) {
- ObjectId oid = a.getPeeledObjectId();
- if (oid == null)
- oid = a.getObjectId();
- try {
- commits.add(walk.parseCommit(oid));
- } catch (IncorrectObjectTypeException e) {
- // Ignore all refs which are not commits
- }
- }
- }
-
- if (commits.isEmpty()) {
- final ObjectId head = db.resolve(Constants.HEAD);
- if (head == null)
- throw die(MessageFormat.format(CLIText.get().cannotResolve, Constants.HEAD));
- commits.add(walk.parseCommit(head));
- }
- for (RevCommit c : commits) {
- final RevCommit real = argWalk == walk ? c : walk.parseCommit(c);
- if (c.has(RevFlag.UNINTERESTING))
- walk.markUninteresting(real);
- else
- walk.markStart(real);
- }
-
- final long start = System.currentTimeMillis();
- final int n = walkLoop();
- if (count) {
- final long end = System.currentTimeMillis();
- errw.print(n);
- errw.print(' ');
- errw.println(MessageFormat.format(
- CLIText.get().timeInMilliSeconds,
- Long.valueOf(end - start)));
- }
- }
-
- /**
- * Create RevWalk
- *
- * @return a {@link org.eclipse.jgit.revwalk.RevWalk} object.
- */
- protected RevWalk createWalk() {
- RevWalk result;
- if (objects)
- result = new ObjectWalk(db);
- else if (argWalk != null)
- result = argWalk;
- else
- result = argWalk = new RevWalk(db);
- result.setRewriteParents(false);
- return result;
- }
-
- /**
- * Loop the walk
- *
- * @return number of RevCommits walked
- * @throws java.lang.Exception
- * if any.
- */
- protected int walkLoop() throws Exception {
- int n = 0;
- for (RevCommit c : walk) {
- if (++n > maxCount && maxCount >= 0)
- break;
- show(c);
- }
- if (walk instanceof ObjectWalk) {
- final ObjectWalk ow = (ObjectWalk) walk;
- for (;;) {
- final RevObject obj = ow.nextObject();
- if (obj == null)
- break;
- show(ow, obj);
- }
- }
- return n;
- }
-
- /**
- * "Show" the current RevCommit when called from the main processing loop.
- * <p>
- * Implement this methods to define the behavior for subclasses of
- * RevWalkTextBuiltin.
- *
- * @param c
- * The current {@link org.eclipse.jgit.revwalk.RevCommit}
- * @throws java.lang.Exception
- */
- protected abstract void show(RevCommit c) throws Exception;
-
- /**
- * "Show" the current RevCommit when called from the main processing loop.
- * <p>
- * The default implementation does nothing because most subclasses only
- * process RevCommits.
- *
- * @param objectWalk
- * the {@link org.eclipse.jgit.revwalk.ObjectWalk} used by
- * {@link #walkLoop()}
- * @param currentObject
- * The current {@link org.eclipse.jgit.revwalk.RevObject}
- * @throws java.lang.Exception
- */
- protected void show(final ObjectWalk objectWalk,
- final RevObject currentObject) throws Exception {
- // Do nothing by default. Most applications cannot show an object.
- }
- }
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